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Vehicle Platform: Tiago,Tigor & Osprey
ECU Name: Hella Body Control Module (BCM)
DTC Troubleshooting Data
Version: 2.0
Date: 22-10-2018
Author: Parag K
Page: 694 of 737
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TATA MOTORS Ltd.
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U130B - 08
: Lost Communication With Head Unit (HU)-Bus
Signal/Message failures
Overview:
ISO Code
U130B - 08
Customer Symptom
Infotainment system may not function
Fault Effects (On Vehicle)
Infotainment system may not function
Lamp Status (If Any)
NA
Fault Detection Condition
CAN transceiver fault, partner ECU fault
Normal Operating Condition
Infotainment system should function normally
Probable Trouble Area
CAN transceiver fault, partner ECU fault
Healing Condition
Check with Service tool, check function of partner
ECU
Component Details:
NA
Preliminary Checks:
1. Check Battery Voltage (12.5 V & above)
2. Check ECU pins for oxidation, bending & damage.